On Thu, Jan 9, 2014 at 11:42 AM, Willy-Bas Loos <willybas@xxxxxxxxx> wrote: > It doesn't seem logical to me that pg_dump should generate wal, but i > haven't been able to find a different explanation so far. > So to make sure, i want to ask you people: can it be that running pg_dump > creates a lot of wal? Interesting. pg_dump works in a transactional model, but it should be on read only. Is it possible you have dirty pages that are made persistent due to pg_dump? Or could it be a vacuum process or something related to freezing the tuples? Luca -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general